[Dovecot] Difference between LOGIN and PLAIN
stephan at rename-it.nl
Thu Nov 3 23:01:17 EET 2011
On 11/3/2011 9:42 PM, Simon Brereton wrote:
> Could someone explain to me the difference between LOGIN and PLAIN?
> I've been googling for a while, but haven't found anything.
The LOGIN SASL mechanism is an obsolete plain text mechanism. It is
Some clients still support it, but I would not recommend using it when
PLAIN or a better SASL mechanism is also available at both ends. The
PLAIN mechanism is documented here:
The main technical difference between the two is that the PLAIN
mechanism transfers both username and password in a single SASL
interaction, where LOGIN needs two. The PLAIN mechanism also provides
support for having an authorization id different from the authentication
id, allowing for master user login for example.
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